| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.44 | 1.54 | -0.10 |
| Feb | 1.48 | 1.60 | -0.12 |
| Mar | 2.15 | 2.20 | -0.05 |
| Apr | 3.70 | 3.88 | -0.18 |
| May | 4.21 | 4.41 | -0.20 |
| Jun | 5.50 | 5.45 | 0.05 |
| Jul | 4.49 | 4.52 | -0.03 |
| Aug | 4.08 | 4.16 | -0.08 |
| Sep | 3.60 | 3.55 | 0.05 |
| Oct | 2.89 | 2.89 | 0.00 |
| Nov | 2.23 | 2.25 | -0.02 |
| Dec | 1.61 | 1.76 | -0.15 |
37.38 | 38.21 | -0.83 |